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140444344 = 23171032679
BaseRepresentation
bin10000101111100…
…00001010111000
3100210021022102101
420113300022320
5241423204334
621534113144
73323520505
oct1027601270
9323238371
10140444344
1172305a07
123b04b7b4
1323134681
141491c4ac
15c4e3214
hex85f02b8

140444344 has 16 divisors (see below), whose sum is σ = 278823600. Its totient is φ = 66091392.

The previous prime is 140444309. The next prime is 140444357. The reversal of 140444344 is 443444041.

It is a super-2 number, since 2×1404443442 = 39449227523180672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516204 + ... + 516475.

It is an arithmetic number, because the mean of its divisors is an integer number (17426475).

Almost surely, 2140444344 is an apocalyptic number.

It is an amenable number.

140444344 is a deficient number, since it is larger than the sum of its proper divisors (138379256).

140444344 is a wasteful number, since it uses less digits than its factorization.

140444344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032702 (or 1032698 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 140444344 is about 11850.9216519223. The cubic root of 140444344 is about 519.7981761155.

Adding to 140444344 its reverse (443444041), we get a palindrome (583888385).

The spelling of 140444344 in words is "one hundred forty million, four hundred forty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 17 34 68 136 1032679 2065358 4130716 8261432 17555543 35111086 70222172 140444344